Electric spark and electrochemical composite machining method of micro-electrode

A composite processing and micro-electrode technology, which is applied in the field of electro-spark electrochemical composite processing and electro-spark electrochemical composite processing of micro-electrodes, can solve the problems of poor electrode surface quality, low processing efficiency, processing taper error, etc., and achieve surface quality Good, fast processing speed, high productivity effect

Active Publication Date: 2012-07-04
HARBIN INST OF TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of processing taper error and poor electrode surface quality in the existing block electrode electric spark grinding method, and the problem of low processing efficiency in the existing cutting edge electrode micro electrolytic grinding method, and then provide A kind of electrospark electrochemical compound machining method of micro electrode

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  • Electric spark and electrochemical composite machining method of micro-electrode
  • Electric spark and electrochemical composite machining method of micro-electrode
  • Electric spark and electrochemical composite machining method of micro-electrode

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specific Embodiment approach 1

[0018] Specific implementation mode one: combine Figure 1-Figure 4 Describe this embodiment mode, a kind of electrospark electrochemical composite processing method of the fine electrode of this embodiment mode, described electrospark electrochemical composite processing method comprises the following steps:

[0019] Step 1: Initialize the machine tool and clamp the tool and electrode;

[0020] The machine tool is initialized, the high-frequency pulse power supply 8 is fixed on the machine tool work platform 4, the frequency of the high-frequency pulse power supply 8 is 1MHz, the EDM working fluid tank 1 and the electrolyte tank 5 are arranged on the machine tool work platform 4 in sequence from right to left , the anti-copy block 3 and the tool cathode 6 are respectively arranged in the EDM working fluid tank 1 and the electrolyte tank 5, and the anti-copy block 3 and the tool cathode 6 are connected to the cathode of the high-frequency pulse power supply 8, and the electrod...

specific Embodiment approach 2

[0031] Specific implementation mode two: combination Figure 4 To describe this embodiment, the tool cathodes 6 in step 1 and step 3 of this embodiment are both sheet-shaped tool cathodes, and a layer of insulating film 15 is attached to the upper and lower surfaces of the sheet-shaped tool cathodes. Such setting effectively improves the localization and dimensional accuracy of the stray corrosion in the electrolytic grinding process. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0032] Specific implementation mode three: combination figure 1 This embodiment is described. In Step 4 of this embodiment, the CCD observation system 14 is used to detect whether the electrode 13 has reached the designed size, cylindricity and surface quality. With such a setting, it is convenient to use and accurate in detection. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention provides an electric spark and electrochemical composite machining method of a micro-electrode, relates to an electric spark and electrochemical composite machining method, and belongs to the field of special machining. The electric spark and electrochemical composite machining method of the micro-electrode is provided in order to solve the problems that: the traditional electric spark grinding method of a block electrode has machining taper error, poor quality of an electrode surface, and a micro-electrolytic grinding method of an edge electrode has low machining efficiency. The method comprises the following: step 1. a machine tool is initialized, and tools and electrodes are clamped; step 2. a block electrode of an electrode (13) is subjected to electric spark grinding machining; step 3. the electrode (13) is subjected to electrolytic grinding finish machining; and step 4. the electrode (13) after being subjected to the electrolytic grinding finish machining is tested. The electric spark and electrochemical composite machining method is particularly applicable to the machining of micro cylindrical electrodes.

Description

technical field [0001] The invention relates to an electric spark electrochemical composite processing method, in particular to an electric spark electrochemical composite processing method for a fine electrode, and belongs to the field of fine special processing. Background technique [0002] Miniaturization, precision, intelligence, and integration are important directions for the development of mechanical equipment in the future. At the same time, with the rise and development of micro-electromechanical systems (MEMS), research on microfabrication technology has become an important development direction in the entire field of micro-mechanics. Micro-electrode is the basic tool for micro-fabrication. Whether the micro-electrode with better morphology can be easily produced on-line is directly related to the quality of micro-fabrication results, so the processing method of micro-electrode has always been a research hotspot. [0003] According to the literature search of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H5/02
Inventor 王玉魁何小龙曾昭奇王振龙
Owner HARBIN INST OF TECH
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